19. Factorise using factor theorem:
(a)x^2+4x-5 (b) y^2 - 2y -15
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1
Step-by-step explanation:
1) x²+5x-x-5=0
x(x+5)-1(x+5)=0
x=-5 x=1
2) y2-5y+3y-15=0
y=5 y=-3
Answered by
1
Step-by-step explanation:
your solution dearr.....
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